Home / 16,814.21-25,219.56-7,454.39

Finding the Fourth Proportional to 16,814.21, 25,219.56 and 7,454.39

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Solution

The fourth proportional to 16,814.21, 25,219.56 and 7,454.39 is: 11,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.21 : 25,219.56 = 7,454.39 : x
  2. Step 2: Convert to fraction form
    16,814.21/25,219.56 = 7,454.39/x
  3. Step 3: Cross multiply
    16,814.21x = 25,219.56 × 7,454.39
  4. Step 4: Simplify right side
    16,814.21x = 187,996,435.87
  5. Step 5: Solve for x
    x = 187,996,435.87/16,814.21
  6. Step 6: Final answer
    x = 11,180.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.